Eccyesis -

: Implantation occurs in the lower, narrow part of the uterus.

: In rare instances, the embryo attaches to abdominal organs or the peritoneum. Symptoms and Risks eccyesis

In a healthy pregnancy, the fertilized egg travels through the fallopian tube to the uterus. In eccyesis, the egg becomes "stuck" or settles elsewhere. The most common sites include: : Implantation occurs in the lower, narrow part